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FNA | Family List | FNA Vol. 20 | Asteraceae | Packera

17a. Packera eurycephala (Torrey & A. Gray) W. A. Weber & Á. Löve var. eurycephala

Widehead groundsel

Senecio austinae Greene

Caudices taprooted, suberect to erect, woody. Stems (1–)2–6+, usually canescent, rarely glabrescent. Leaf blades: margins usually serrate-dentate, sometimes deeply dissected, midribs winged.

Flowering mid May–mid Jun. Dry disturbed sites, roadsides, wooded areas, dry or drying streambeds; 200–1700 m; Calif., Oreg.

Variety eurycephala evidently reproduces extensively from creeping rootstocks. Some specimens from Butte, Plumas, and Yuba counties lack lobed leaves.


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